Ellwood, D. T. (2001). The sputtering labor force of the 21st century: Can social policy help? National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Ellwood, David T. The Sputtering Labor Force of the 21st Century: Can Social Policy Help? Cambridge, Mass: National Bureau of Economic Research, 2001.
MLA-Zitierstil (9. Ausg.)Ellwood, David T. The Sputtering Labor Force of the 21st Century: Can Social Policy Help? National Bureau of Economic Research, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.